<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件上传 - 案例</title>
</head>
<body>
    <h1>基于上传工具，实现文件上传</h1>
    <form action="upload4Util.do" method="post" enctype="multipart/form-data">
        上传文件：<input type="file" name="attach"/>
        <br/>
        <input type="submit" value="提交"/>
    </form>
</body>
</html>